/**
*      author: Y_Yao
*      created: 2025-02-08 20:00:23
**/

#include<bits/stdc++.h>

#define int LL
using namespace std;
using LL = long long;
const LL LLINF = 1e18;
const int INF = 0x3f3f3f3f;
int a,b,c;

void solve()
{
    cin >> a >> b >> c;
    if(a * b == c)
    {
        cout << "Yes" << endl;
        return;
    } 
    if(b * c == a)
    {
        cout << "Yes" << endl;
        return;
    }
    if(a * c == b)
    {
        cout << "Yes" << endl;
        return;
    }
    cout << "No" << endl;
}

signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);

    int t = 1;
    //cin >> t;
    while(t--)
    {
        solve();
    }
    return 0;
}